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MRV Products
Alarm Management

The In-Reach 7520 (IR-7520) series of highly secure network element management (NEM) solutions offers a unique combination of console and alarm management solutions in a single box.

The eight console ports of the IR-7520 provide control of a variety of network elements (NEs) such as UNIX servers, switches, CSU/DSUs, routers and multiplexers. In addition, the 24 dry contact closure alarm points of the IR-7520 collect and distribute discrete alarm signals from devices such as door alarms, uninterruptible power supplies (UPS) and aerial lights of cellular sites.

The combination of console ports and alarm points in the IR-7520 is highly suitable for manufacturing facilities, data centers, outside plant street cabinets and any unmanned sites that use a combination of serial communication devices and bi-state alarm devices.

Corporate network administrators and operations support systems (OSS) managers at a central network operations center (NOC) are able to gain total control of all geographically dispersed remote devices and achieve enhanced reliability and availability of their networks.


Console Management
Eight console management (serial) ports of the IR-7520 connect to the console or craft ports of NEs. This serial connection allows the administrators to manage and configure the NEs and perform software upgrades via the Command Line Interface (CLI) as if attached locally.

The console ports of the IR-7520 support script-based automated dynamic provisioning of NEs and enable their scheduled, unmanned and efficient installation.

Through its 10BaseT Ethernet port, the IR-7520 can be connected to a separate network through which the administrator can gain out-of-band access to mission-critical elements in the in-band network.

In case of a blackout or a network failure, the optional secure modem integrated in the IR-7520 ensures reliable "back door" access to the NEs.

Alarm Management
The relay interfaces of discrete alarm devices are connected to the alarm points of the IR-7520. This connection enables corporate network administrators and OSS managers to monitor and control the alarm devices from a central NOC. The In-Reach software enables each IR-7520 physical port to represent a pair of scan and distribution points.

The scan points accept discrete input signals generated when contact closure devices such as aerial lights and/or door alarms change state.

The distribution points send output signals to activate devices such as generators or fire alarms in response to any alarm signal the scan points receive. Typical output current levels do not exceed 25 mA at +/- 2.5 Volts (min) or +/- 6 Volts (max).

When the IR-7520 is used with the intelligent self-healing feature, it can be deployed for unmanned, automatic fault management of mission-critical applications

High Port Density
The IR-7520 series consists of a cost- and space-saving 1U rackmount standalone that offers 8 console ports and 24 alarm points in a single unit. It also offers models with DC power, integrated modem, flash card and NEBS-compliant combinations.

Furthermore, the combination of console and alarm management functionality can be scaled to larger port densities by using the In-Reach 6-slot and 15-slot chassis-based models. These chassis-based models offer individual console management and alarm management modules with the highest port densities (up to 280 console ports or up to 560 alarm points) available in the industry.

Virtual Management Ports
The IR-7520's console management software offers nine virtual ports that can be used to establish multiple Telnet or Secure Shell sessions. This feature allows multiple management users to perform troubleshooting operations simultaneously.

SNMP Compatible
The SNMP-compatible IR-7520 operates efficiently in heterogeneous network environments and can be managed by any industry-standard, SNMP-compliant network management system (NMS).

Further, the IR-7520 can be configured to send SNMP traps to the NMS in response to alarm events and thereby alert the administrator to perform any time-sensitive remedial operations.

Scaleable Software
Feature-rich In-Reach console and alarm management software offers extensive scalability by using the same operating system image across all standalone and chassis form-factor models, resulting in the simplified management of thousands of alarm and console devices. Furthermore, the In-Reach software offers an intuitive CLI for configuration, maintenance, and troubleshooting.

The In-Reach software also includes a variety of command and data logging features that offer network administrators the ability to track previously entered commands and events from a system log file. With this feature, security breaches and last change events are much easier to isolate.

The In-Reach software, with its robust security and proactive fault management features, enables the efficient management of widely dispersed NEs.

Sun Break Solution
MRV Communications' consistent efforts to address virtually every aspect of remote console management have resulted in a long-awaited solution for serial break signal problems with Sun servers and workstations. The console management ports of the IR-7520 support this feature.

The innovative circuit design of the IR-7520 prevents a break signal from being generated when the IR-7520 is powered off either intentionally or unexpectedly. Such break signals will halt the normal operation of the Sun servers and workstations and potentially disrupt network operations.

The IR-7520 offers a combination of hardware, software and firmware solutions to this problem and guarantees significant cost savings through reduced personnel visits and undisrupted operation of the Sun devices. These solutions offers significant benefits if the attached Sun device is a mission-critical Web server or a database server.

To add to your peace of mind, the IR-7520 offers a variety of built-in security features such as port-level and multi-level password protection, access control lists (ACLs), IP filtering, SecurID, RADIUS, dial-back, and PPP (PAP, CHAP). In addition, support for the industry-standard Secure Shell serves as a highly secure alternative to non-secure Telnet access and prevents unauthorized intrusion during out-of-band access. This package of robust security features comes standard with the In-Reach console management software and is unmatched in the industry.

Automated Response to Alarm Conditions
The automated response to alarm conditions feature in the In-Reach software facilitates timely, intelligent and unmanned alarm device management. Using this feature, network/OSS managers can define specific alarm trigger conditions and associate them with corresponding remedial actions. Consequently, any defined trigger condition that occurs at an alarm point automatically activates the corresponding action. With provision to define as many as 255 trigger conditions and 255 actions, this self-healing feature enhances the reliability and availability of mission-critical networks and ensures predictable fault management.

Out-Of-Band Management
Wherever you are, you can be in reach of your network using the extensive out-of-band management features of the IR-7520. The IR-7520 allows you to perform installation, configuration, management and troubleshooting of your NEs. The IR-7520 connected to your out-of-band network can be accessed through a variety of standard interfaces such as 10BaseT Ethernet (RJ-45) or PPP-compatible integrated (or external) V.90 modem. These interfaces allow network administrators to gain out-of-band access to their NEs quickly and reliably via TCP/IP Telnet, Secure Shell and PPP dial-up.
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